Pard Kids Fitness Tracker, Heart Rate Monitor, Smart Bracelet for Your Child, Black Built-in pedometer keeps track of your daily activities and calculates steps,calorie burned and distance. Movement freely on your wrist to light screen up to check time and sports data easily. Photoelectric heart rate sensor allow it have access to monitor heart rate. Sleep Monitor help you mange your sleep well. Sedentary remind and alarm alert remind you get up, drink water, do exercise on time. Support Messages, SMS, Call, QQ, Wechat, Facebook and Twitter vibrating alert, display the icon of a short message or contacter name or phone number. Smart Design. OLED touch screen, Detachable watchband, Life waterproof, Intelligent display wake up, Photoelectric heart rate sensor, Mini vibration motor, these features make it a good sport and health fitness tracker. APP: "HPlus Watch", free download from Apple Store or Google Play. Compatibility: Android 4.3 and above, IOS 8.0 and above OS. For Samsung, Apple, iPhone 6S / 6S Plus / 6 / 6 Plus / 5S / 5 and so on.